How do I get raw pixel buffer from SkImage

[render dender]

I've got an SkSurface. I get SkCanvas from this surface and draw some commands into it. Afer that I get SkImage with `SkSurface.makeImageSnapshot()'.

Now I want to get the raw pixel buffer from it. How do I do that? 

I tried using SkPngEncoder::Encode() to save the rendered image into the file just to check that everything works and it does. Now I want to get the rgba buffer instead of encoding it to use further in my engine. What's the easiest wat to do that?

Maybe it's something obvious, but I still haven't figured it out.

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Thanks,

Denis

[mattl...@live.com]

Isn't there a peekPixels or something?